Filamentous-appearance high-performance flame-retardant coconut fiber modified polypropylene composite material as well as preparation method and application thereof

A composite material and coir fiber technology, which is applied in the field of plant fiber modified polypropylene composite materials, can solve the problems of long time for modification of jute fiber, no flame retardant effect, no special appearance, etc., so as to reduce material costs and improve Compatibility, the effect of increasing the specific surface area

Pending Publication Date: 2021-03-30
WANHUA CHEM (SICHUAN) CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The modified jute fiber reinforced polypropylene prepared by the invention has the advantages of low odor and low VOC, but the modification process of jute fiber takes a long time, and the prepared polypropylene has no special appearance, no flame retardant effect, and relatively high rigidity Poor, easy to warp disadvantage

Method used

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  • Filamentous-appearance high-performance flame-retardant coconut fiber modified polypropylene composite material as well as preparation method and application thereof
  • Filamentous-appearance high-performance flame-retardant coconut fiber modified polypropylene composite material as well as preparation method and application thereof
  • Filamentous-appearance high-performance flame-retardant coconut fiber modified polypropylene composite material as well as preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] 1) Prepare flame-retardant coconut shell fiber according to the following method: according to NaOH solution, AlCl 3 The mass ratio of solution and coconut shell fiber is 3:1:1, add coconut shell fiber in 10% NaOH solution, control the temperature at 80±1°C, add 2.0mol / L AlCl after stirring for 2h 3 solution, stirred for 2 hours, filtered and washed, and then dried at 100°C to obtain the flame-retardant coconut fiber.

[0047] 2) Weigh raw materials according to the following mass percentages: homopolypropylene: 5.23kg, block copolymerized polypropylene: 2kg, flame-retardant coconut shell fiber: 2kg, talcum powder: 0.5kg, compatibilizer: 0.2kg, antioxidant 1010: 0.03kg, antioxidant 168: 0.02kg, lubricant: 0.02kg.

[0048] 3) In addition to the flame-retardant coconut shell fiber, add other raw materials in step (2) into a high-speed mixer and mix for 3 minutes to make it evenly mixed.

[0049] 4) Add the material obtained in step (3) to the main feeding port of the tw...

Embodiment 2

[0053] 1) Prepare flame-retardant coconut shell fiber according to the following method: according to NaOH solution, AlCl 3 The mass ratio of solution and coconut shell fiber is 3:1:1, add coconut shell fiber in 10% NaOH solution, control the temperature at 80±1°C, add 2.0mol / L AlCl after stirring for 2h 3 solution, stirred for 2 hours, filtered and washed, and then dried at 100°C to obtain the flame-retardant coconut fiber.

[0054] 2) Weigh raw materials according to the following mass percentages: homopolypropylene: 4.13kg, block copolymerized polypropylene: 2kg, flame-retardant coconut shell fiber: 3kg, talcum powder: 0.5kg, compatibilizer: 0.3kg, antioxidant 1010: 0.03kg, antioxidant 168: 0.02kg, lubricant: 0.02kg.

[0055] 3) In addition to the flame-retardant coconut shell fiber, add other raw materials in step (2) into a high-speed mixer and mix for 3 minutes to make it evenly mixed.

[0056] 4) Add the material obtained in step (3) to the main feeding port of the tw...

Embodiment 3

[0060] 1) Prepare flame-retardant coconut shell fiber according to the following method: according to NaOH solution, AlCl 3 The mass ratio of solution and coconut shell fiber is 3:1:1, add coconut shell fiber in 10% NaOH solution, control the temperature at 80±1°C, add 2.0mol / L AlCl after stirring for 2h 3 solution, stirred for 2 hours, filtered and washed, and then dried at 100°C to obtain the flame-retardant coconut fiber.

[0061] 2) Weigh raw materials according to the following mass percentages: homopolypropylene: 3.03kg, block copolymerized polypropylene: 2kg, flame-retardant coconut shell fiber: 4kg, talcum powder: 0.5kg, compatibilizer: 0.4kg, antioxidant 1010: 0.03kg, antioxidant 168: 0.02kg, lubricant: 0.02kg.

[0062] 3) In addition to the flame-retardant coconut shell fiber, add other raw materials in step (2) into a high-speed mixer and mix for 3 minutes to make it evenly mixed.

[0063] 4) Add the material obtained in step (3) to the main feeding port of the tw...

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Abstract

The invention provides a filamentous-appearance high-performance flame-retardant coconut fiber modified polypropylene composite material as well as a preparation method and an application thereof. Themodified polypropylene composite material is prepared from the following components in percentage by mass: 50-74.6% of polypropylene, 20-40% of flame-retardant coconut fiber, 3-7% of talcum powder, 2-4% of a compatilizer, 0.2-0.5% of an antioxidant and 0.2-0.4% of a lubricant; and the material is prepared by adopting melt blending and molding processing methods. According to the preparation method, the flame-retardant coconut fibers are obtained by utilizing NaOH and AlCl3 solution treatment, and a NaOH solution treatment of the coconut fibers and compatibilization of the compatilizer are combined, so that the modified polypropylene composite material has excellent flame-retardant property and mechanical property through cooperation, and the problem that the fiber filler modified polypropylene composite material is easy to warp is solved, and the product has a special filamentous appearance and can be widely applied to the fields of home furnishing, decoration and the like.

Description

technical field [0001] The invention relates to the field of plant fiber-modified polypropylene composite materials, in particular to a high-performance flame-retardant coconut shell fiber-modified polypropylene composite material with a silky appearance and a preparation method thereof. Background technique [0002] Polypropylene is one of the five general-purpose plastics. It has the advantages of low price and excellent comprehensive performance. It has been widely used in household appliances, automobiles and other fields. Plant fiber comes from nature and is a green and environmentally friendly raw material. The plant fiber-modified polypropylene prepared by blending and strengthening is a new type of polypropylene composite material that is degradable, regenerated, and lightweight. As a kind of plant fiber, coconut shell fiber can directly give the material a special silky appearance effect, avoiding the use of special toner and / or color masterbatch, so that coconut s...

Claims

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Application Information

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IPC IPC(8): C08L23/12C08L53/00C08L97/02C08L51/06C08K3/34C08K5/134C08K5/526C08K3/22C08K13/06C08K9/12
CPCC08L23/12C08L53/00C08L2201/02C08K2003/2227C08L2205/03C08L2205/035C08L2205/16C08L97/02C08L51/06C08K3/34C08K5/1345C08K5/526C08K3/22C08K13/06C08K9/12
Inventor 姚威宇陈连清张文勇李保印吴志超
Owner WANHUA CHEM (SICHUAN) CO LTD
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